JP4068961B2 - Workpiece - Google Patents

Workpiece Download PDF

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Publication number
JP4068961B2
JP4068961B2 JP2002546271A JP2002546271A JP4068961B2 JP 4068961 B2 JP4068961 B2 JP 4068961B2 JP 2002546271 A JP2002546271 A JP 2002546271A JP 2002546271 A JP2002546271 A JP 2002546271A JP 4068961 B2 JP4068961 B2 JP 4068961B2
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JP
Japan
Prior art keywords
workpiece
notch
tube element
inner part
empty volume
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Expired - Lifetime
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JP2002546271A
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Japanese (ja)
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JP2004514563A (en
Inventor
バスラー ユルゲン
ベル シュテファン
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B17/00—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49909—Securing cup or tube between axially extending concentric annuli
    • Y10T29/49913—Securing cup or tube between axially extending concentric annuli by constricting outer annulus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall
    • Y10T29/49927—Hollow body is axially joined cup or tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5367—Coupling to conduit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Automatic Assembly (AREA)
  • Connection Of Plates (AREA)
  • Magnetically Actuated Valves (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Clamps And Clips (AREA)

Description

【０００１】
背景技術
本発明は、請求項１の上位概念による工作物から出発する。
【０００２】
２つの工作物がまず互いに内外に差しはめられて、一方の工作物が他方の工作物のストッパに支えられ、かつ他方の工作物を１つの縁部、フランジ縁、をもって超える、いわゆるフランジ結合が公知である。結合は、フランジ縁を一方の工作物上に折り返すことによって行われ、したがって工作物は形接続で接合される。この結合形式では２つの工作物が必要であり、かつ折り返されるフランジ縁の規定された輪郭を達成することは、高価な費用をかけなければならない。フランジ縁はしばしば工作物を完全に回って存在していなければならない。結合の後に、要するに、しばしば軸方向及び又は半径方向の突出部が存在している。
【０００３】
更に、公差を極めて狭く維持しなければならないいわゆるあり溝結合が公知である。結合プロセスにおいては、あり溝結合の頭部及び切り欠きが上下に重ねられて、かつ次いで、DE 39 25 365 A1に記載されているように、互いに押し込まれる。これらの部分はこの場合互いに上下に重ねなければならず、かつ互いにずらされず、したがって結合すべき部分は幾分かより長く構成しなければならず、かつ公差、例えば管エレメントの内径の公差はより大きい。
【０００４】
DE 38 15 927 A1から、成形部分の、弾性的な保持アームによる結合が公知である。この構成では、しかしながら必然的に成形部分の間にすき間が生ずる。成形部分の間のすき間なしの移行は可能でない。
【０００５】
US-PS 2,283,918から、舌状部が凹所内にかしめられる、金属バンドのための結合方法が公知である。かしめを行うためには、かさばった工具及び高い力が必要である。
【０００６】
US-PS 3,502,922から、差し込み舌状部及び凹所から成る係止結合が公知である。差し込み舌状部及び凹所は、結合を生ぜしめるために、互いに内外にずらされる。この場合、凹所の回りの範囲は、それが差し込み舌状部及び凹所を互いにずらす際に広がりかつ再び元に戻り得るようにするために、弾性的に構成されている。これによってこれらの部分の間にある程度の遊びが生ずる。
【０００７】
リングを内側部分上に組み立てる別の可能性は、縮ませ技術である。この場合、例えば内側部分が冷却され、これにより内側部分が縮む。次いで初めてリングを内側部分上に差しはめることができる。内側部分が再び加熱されるときに、内側部分とリングとの間にプレスはめ合いが生ずる。この方法はしかし高価であり、かつ、リング及び内側部分が互いに異なって冷却又は加熱されるときに、結合がはがれてしまうという欠点を有している。
【０００８】
発明の利点
請求項１の構成要件を備えた本発明による工作物はこれに対し、簡単な形式で工作物を構造部分上に組み立てることができ、かつ何らの公差も存在していないという利点を有している。工作物は結合プロセスの後に軸方向でも半径方向でも突出部を有していない。
【０００９】
従属請求項に記載した手段によって、請求項１に記載した工作物の有利な展開及び改善が可能である。
【００１０】
工作物が管エレメントを形成していると、工作物を有利な形式で内側部分上に組み立てることができる。
【００１１】
更に、切り欠きをダンベル形に類似して構成すると有利である。それはこれによって公差なしの組み立てのための塑性変形が簡単化されるからである。
【００１２】
工作物は有利な形式で金属から成っている。それは金属は良好に塑性変形することができるからである。
【００１３】
実施例の説明
本発明の１実施例は図面に簡単化して示されており、かつ以下に詳細に説明する。
【００１４】
図１は本発明による工作物１の部分図を示す。工作物１は縦軸線２に沿って延びる薄板バンドあるいは薄板リングであり、少なくとも１つの切り欠き５を有している。例えば環状に閉じられた境界をもって構成された切り欠き５は例えばダンベル又は糸巻きの形状を有している。切り欠き５のどのような別の形状も可能である。切り欠き５は次のように、すなわち工作物１の条片形の縁範囲７内で、切り欠き５の中央範囲８におけるよりも大きな空体積９が存在しているように、構成されている。
【００１５】
中央範囲８においては、縦軸線２に対して横方向に延びる結合ウェブ１１があり、これは縦軸線２の方向で厚さあるいは円形の切り欠き５の場合には直径ｄを有しており、この厚さあるいは直径は、それが、工作物１が組み立てられた状態において、例えばほとんどあるいは完全に押しつぶされているような、要するにゼロになるような、大きさである。結合ウェブ１１は縁範囲７における比較的大きな空体積９を他方の縁範囲７における比較的大きな空体積９と結合している。
【００１６】
図２は塑性変形されている本発明による工作物１を示す。図１の工作物１から出発して、例えば各縁範囲７内で工具１２が当て付けられ、この工具は変形方向１３で縦軸線２に対して横方向に力を工作物１に及ぼし、切り欠き５の空体積９を圧縮する。この場合、工作物１は縦軸線２の方向に、１つの次元、すなわち変形方向１３に対して垂直の結合方向１５に収縮する。空体積９及び結合ウェブ１１は例えばほとんどあるいは完全にもはや存在しない。工具１２による外方の力は単に工作物１の縁範囲７内でだけ加えることができるので、切り欠き５を次のように、すなわち切り欠き５の空体積９の大部分がこの縁範囲７内に存在しているように、構成するのが有意義である。それはこのようにして塑性変形のための力がわずかであり、かつこれによって塑性変形を極めて簡単に行うことができるからである。
【００１７】
図３ａは、どのようにして工作物１が内側部分１８上にかぶせはめられるかを示す。工作物１は例えば管エレメント２１であり、かつ内側部分１８は電気機械のコイル体であり、その際管エレメント２１はこの場合磁気的な帰路エレメントを構成している。管エレメントは、貫通する結合箇所を備えた背景技術の２部分より成る管エレメントと比較して、何らの、帰路エレメント内の磁束を乱すすき間のある移行部が存在しないう利点を有している。
【００１８】
管エレメント２１は内側部分１８の外径よりも大きな内径を有している。管エレメント２１が工具１２によって塑性変形せしめられると、管エレメント２１は内側部分１８に密着し、かつこれによって内側部分１８上で固定されている（図３ｂ）。
【００１９】
図３ｂは内側部分１８上に固定されている管エレメント２１を示す。管エレメント２１は工具１２によって変形せしめられており、したがって切り欠き５は押しつぶされている。この場合管エレメント２１は結合方向１５に収縮し、換言すれば管エレメント２１の場合に管エレメント２１の内径が小さくなる。塑性変形は、管エレメント２１の内径が内側部分１８の外径と等しくなるまで、かつそれを超えてなお幾分か変形するまで行われ、したがって充分な力が生じて、管エレメント２１を内側部分１８上に押す。
【図面の簡単な説明】
【図１】 本発明による工作物の、組み立てられていない状態の部分の図を示す。
【図２】 塑性変形可能な本発明による工作物の部分の図を示す。
【図３ａ】 本発明による工作物が内側部分上にずらされる状態を示す。
【図３ｂ】 本発明による工作物が内側部分上に組み立てられた状態を示す。
【符号の説明】
１ 工作物、 ２ 縦軸線、 ５ 切り欠き、 ７ 縁範囲、 ８ 中央範囲、 ９ 空体積、 １１ 結合ウェブ、 １２ 工具、 １３ 変形方向、 １５ 結合方向、 １８ 内側部分、 ２１ 管エレメント、 ｄ 直径[0001]
The invention starts from a workpiece according to the superordinate concept of claim 1.
[0002]
The so-called flange connection, in which two workpieces are first fitted in and out of each other, one workpiece is supported by the stopper of the other workpiece and exceeds the other workpiece with one edge, flange edge It is known. The coupling is done by folding the flange edge over one workpiece, so that the workpieces are joined in a form connection. This connection type requires two workpieces and achieving a defined profile of the flange edge to be folded must be expensive. The flange edge often must be completely around the workpiece. In short, after coupling, there are often axial and / or radial protrusions.
[0003]
Furthermore, so-called dovetail connections are known in which the tolerances must be kept very narrow. In the joining process, the dovetail joint heads and notches are stacked one on top of the other and then pushed together as described in DE 39 25 365 A1. These parts must in this case be stacked one on top of the other and are not offset from one another, so that the parts to be joined must be constructed somewhat longer, and the tolerance, for example the tolerance of the inner diameter of the tube element, is Greater than.
[0004]
From DE 38 15 927 A1, it is known to join the molded parts with elastic holding arms. In this configuration, however, there is necessarily a gap between the molded parts. A gapless transition between molded parts is not possible.
[0005]
From US-PS 2,283,918, a coupling method for a metal band is known in which the tongue is caulked in a recess. In order to perform caulking, a bulky tool and a high force are required.
[0006]
From US-PS 3,502,922, a locking connection consisting of an insertion tongue and a recess is known. The bayonet tongue and the recess are displaced inward and outward from each other in order to produce a bond. In this case, the area around the recess is elastically configured in order to allow it to widen and return again when the insertion tongue and recess are displaced from each other. This creates some play between these parts.
[0007]
Another possibility to assemble the ring on the inner part is a shrinkage technique. In this case, for example, the inner part is cooled, so that the inner part shrinks. Only then can the ring be fitted onto the inner part. When the inner part is heated again, a press fit occurs between the inner part and the ring. This method, however, is expensive and has the disadvantage that the bond is broken when the ring and the inner part are cooled or heated differently.
[0008]
Advantages of the Invention The workpiece according to the invention with the features of claim 1, on the other hand, has the advantage that the workpiece can be assembled on a structural part in a simple manner and that no tolerances exist. Have. The workpiece has no protrusions either axially or radially after the joining process.
[0009]
By means of the dependent claims, advantageous developments and improvements of the workpiece according to claim 1 are possible.
[0010]
If the workpiece forms a tube element, the workpiece can be assembled on the inner part in an advantageous manner.
[0011]
Furthermore, it is advantageous if the notch is constructed similar to a dumbbell shape. This simplifies plastic deformation for assembly without tolerances.
[0012]
The workpiece is made of metal in an advantageous manner. This is because metal can be plastically deformed well.
[0013]
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention is shown in simplified form in the drawing and will be described in detail below.
[0014]
FIG. 1 shows a partial view of a workpiece 1 according to the invention. The workpiece 1 is a thin band or thin ring extending along the longitudinal axis 2 and has at least one notch 5. For example, the notch 5 configured with an annularly closed boundary has, for example, a dumbbell or a bobbin shape. Any other shape of the notch 5 is possible. The notch 5 is configured as follows, that is, in the strip-shaped edge region 7 of the workpiece 1, there is a larger empty volume 9 than in the central region 8 of the notch 5. .
[0015]
In the central region 8 there is a connecting web 11 extending transversely to the longitudinal axis 2, which has a diameter d in the case of a thickness or circular notch 5 in the direction of the longitudinal axis 2, This thickness or diameter is such that it is essentially zero in the assembled state, for example almost or completely crushed. The connecting web 11 combines a relatively large empty volume 9 in the edge region 7 with a relatively large empty volume 9 in the other edge region 7.
[0016]
FIG. 2 shows a workpiece 1 according to the invention that is plastically deformed. Starting from the workpiece 1 in FIG. 1, for example, a tool 12 is applied in each edge region 7, which exerts a force on the workpiece 1 in the direction of deformation 13 in a direction transverse to the longitudinal axis 2 and cuts. The empty volume 9 of the notch 5 is compressed. In this case, the workpiece 1 contracts in the direction of the longitudinal axis 2 in one dimension, that is, in the coupling direction 15 perpendicular to the deformation direction 13. The empty volume 9 and the connecting web 11 are for example almost or completely no longer present. Since the outward force by the tool 12 can only be applied within the edge area 7 of the workpiece 1, the notch 5 is made as follows, ie the majority of the empty volume 9 of the notch 5 is this edge area 7. It is meaningful to construct as it exists in. This is because there is little force for plastic deformation in this way, and plastic deformation can be performed very easily.
[0017]
FIG. 3 a shows how the workpiece 1 is placed on the inner part 18. The workpiece 1 is, for example, a tube element 21 and the inner part 18 is a coil body of an electric machine, in which case the tube element 21 in this case constitutes a magnetic return element. The tube element has the advantage that there are no transitions with gaps to disturb the magnetic flux in the return element compared to the two-part tube element of the prior art with a connecting point therethrough. .
[0018]
The tube element 21 has an inner diameter that is larger than the outer diameter of the inner portion 18. When the tube element 21 is plastically deformed by the tool 12, the tube element 21 is in close contact with the inner part 18 and is thereby fixed on the inner part 18 (FIG. 3b).
[0019]
FIG. 3 b shows the tube element 21 fixed on the inner part 18. The tube element 21 has been deformed by the tool 12, so that the notch 5 is crushed. In this case, the tube element 21 contracts in the coupling direction 15, in other words, in the case of the tube element 21, the inner diameter of the tube element 21 decreases. The plastic deformation is carried out until the inner diameter of the tube element 21 is equal to the outer diameter of the inner portion 18 and until it is somewhat deformed beyond it, so that sufficient force is generated to cause the tube element 21 to move into the inner portion. 18 Press up.
[Brief description of the drawings]
FIG. 1 shows a view of the unassembled part of a workpiece according to the invention.
FIG. 2 shows a view of a part of a workpiece according to the invention that is plastically deformable.
FIG. 3a shows the workpiece according to the invention being displaced on the inner part.
FIG. 3b shows the workpiece according to the invention assembled on the inner part.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Workpiece, 2 Longitudinal line, 5 Notch, 7 Edge range, 8 Center range, 9 Empty volume, 11 Joining web, 12 Tool, 13 Deformation direction, 15 Joining direction, 18 Inner part, 21 Pipe element, d Diameter

Claims (10)

工作物を構造部分上に組み立てるための方法であって、工作物（１）が縦軸線（２）を有しており、塑性変形可能な材料から成っており、空体積（９）を有する少なくとも１つの切り欠き（５）を有している形式のものにおいて、
前記切り欠き（５）と前記工作物（１）の側縁との間に条片形の縁範囲（７）が設けられており、変形方向（１３）で工作物の縦軸線（２）に対して横方向に力を条片形の縁範囲（７）に加え、この際に、該条片形の縁範囲（７）が変形して切り欠き（５）の空体積（９）内に入り込むことにより切り欠き（５）の空体積（９）が圧縮され、これにより工作物（１）を縦軸線（２）の方向で、即ち変形方向（１３）に対して垂直の結合方向（１５）で収縮させることを特徴とする、工作物を構成部分に組み付けるための方法。A method for assembling a workpiece on a structural part, wherein the workpiece (1) has a longitudinal axis (2), is made of a plastically deformable material and has an empty volume (9) In the type having one notch (5),
A strip-shaped edge region (7) is provided between the notch (5) and the side edge of the workpiece (1), and the longitudinal axis (2) of the workpiece in the deformation direction (13). In contrast, a lateral force is applied to the strip-shaped edge region (7), at which time the strip-shaped edge region (7) is deformed into the empty volume (9) of the notch (5). As a result, the empty volume (9) of the notch (5) is compressed, thereby causing the workpiece (1) to move in the direction of the longitudinal axis (2), that is to say in the connecting direction (15 perpendicular to the deformation direction (13). The method for assembling a workpiece into a component, characterized in that 工作物（１）を管エレメント（２１）として形成し、管エレメント（２１）の直径を塑性変形によって減じることを特徴とする、請求項１記載の方法。 2. Method according to claim 1, characterized in that the workpiece (1) is formed as a tube element (21) and the diameter of the tube element (21) is reduced by plastic deformation . 管エレメント（２１）として形成された工作物（１）を、その外径が管エレメント（２１）の内径よりも小さい内側部分（１８）上に被せ嵌め、次いで管エレメント（２１）を工具（１２）によって、管エレメント（２１）が内側部分（１８）に密着し内側部分（１８）上で固定されるように塑性変形させることを特徴とする、請求項１又は２記載の方法。 A workpiece (1) formed as a tube element (21) is fitted over an inner part (18) whose outer diameter is smaller than the inner diameter of the tube element (21), and then the tube element (21) is fitted into the tool (12 The method according to claim 1 or 2, characterized in that the tube element (21) is plastically deformed in such a way that it adheres to the inner part (18) and is fixed on the inner part (18) . 請求項１から３までのいずれか１項記載の方法で組み立てるための工作物であって、環状に閉じられた境界をもって構成された少なくとも１つの切り欠き（５）を有する薄板バンド（１）または薄板リング（１，２１）から成っていることを特徴とする、請求項１から３までのいずれか１項記載方法で組み立てるための工作物。Workpiece for assembling with the method according to any one of claims 1 to 3, comprising at least one notch (5) configured with an annularly closed boundary (1) or 4. Workpiece for assembling in accordance with one of the claims 1 to 3, characterized in that it consists of a thin plate ring (1, 21). 切り欠き（５）が、工作物（１，２１）の条片形の縁範囲（７）内で、切り欠き（５）の中央範囲（８）におけるよりも大きな空体積（９）が存在しているように、構成されていることを特徴とする、請求項４記載の工作物。The notch (5) has a larger empty volume (9) in the strip-shaped edge area (7) of the workpiece (1,21) than in the central area (8) of the notch (5). The workpiece according to claim 4, wherein the workpiece is configured as described above. 工作物（１）が金属から成っていることを特徴とする、請求項４又は５記載の工作物。6. Workpiece according to claim 4 or 5 , characterized in that the workpiece (1) is made of metal. 工作物（１）が管エレメント（２１）を形成しており、かつ管エレメント（２１）が少なくとも１つの内側部分（１８）上に塑性変形によって組み立てられていることを特徴とする、請求項４記載の工作物。Characterized in that the workpiece (1) is assembled by forms a tube element (21), and plastic deformation on the pipe element (21) at least one inner part (18), according to claim 4 The listed workpiece. 内側部分（１８）が電気機械のコイル体であることを特徴とする、請求項７記載の工作物。8. Workpiece according to claim 7 , characterized in that the inner part (18) is a coil body of an electric machine. 工作物（１）が管エレメント（２１）を形成しており、かつ管エレメント（２１）が電気機械のための磁気的な帰路エレメントとして役立つことを特徴とする、請求項７又は８記載の工作物。9. Machine tool according to claim 7 or 8 , characterized in that the workpiece (1) forms a pipe element (21) and the pipe element (21) serves as a magnetic return element for an electric machine. object. コイル体およびコイル体を周方向で取り囲む磁気的な帰路エレメントとを備えた電気機械であって、帰路エレメントが工作物（１，２１）として請求項１から３までのいずれか１項記載の方法でコイル体上に組み立てられていることを特徴とする、電気機械。A method according to any one of claims 1 to 3, comprising an electric machine comprising a coil body and a magnetic return element surrounding the coil body in the circumferential direction, the return element being a workpiece (1, 21). An electric machine characterized by being assembled on a coil body.
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EP1340305B1 (en) 2004-09-29
KR20030063388A (en) 2003-07-28
US20060075616A1 (en) 2006-04-13
WO2002045240A3 (en) 2002-08-29
BR0115583A (en) 2003-12-09
DE10058592A1 (en) 2002-06-06
DE50103920D1 (en) 2004-11-04
US7509726B2 (en) 2009-03-31
JP2004514563A (en) 2004-05-20
WO2002045240A2 (en) 2002-06-06
US20040062598A1 (en) 2004-04-01
KR100808384B1 (en) 2008-02-29
ES2228987T3 (en) 2005-04-16
BRPI0115583B1 (en) 2016-09-13
EP1340305A2 (en) 2003-09-03

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